Home / 135,920.16-203,844.60-60,998.40

Finding the Fourth Proportional to 135,920.16, 203,844.60 and 60,998.40

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Solution

The fourth proportional to 135,920.16, 203,844.60 and 60,998.40 is: 91,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,920.16 : 203,844.60 = 60,998.40 : x
  2. Step 2: Convert to fraction form
    135,920.16/203,844.60 = 60,998.40/x
  3. Step 3: Cross multiply
    135,920.16x = 203,844.60 × 60,998.40
  4. Step 4: Simplify right side
    135,920.16x = 12,434,194,448.64
  5. Step 5: Solve for x
    x = 12,434,194,448.64/135,920.16
  6. Step 6: Final answer
    x = 91,481.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.